Finding the Fourth Proportional to 402,701.70, 604,246.95 and 284,117.70
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Solution
The fourth proportional to 402,701.70, 604,246.95 and 284,117.70 is: 426,313.70
Step by Step Solution
- Step 1: Write the proportion equation
402,701.70 : 604,246.95 = 284,117.70 : x - Step 2: Convert to fraction form
402,701.70/604,246.95 = 284,117.70/x - Step 3: Cross multiply
402,701.70x = 604,246.95 × 284,117.70 - Step 4: Simplify right side
402,701.70x = 171,677,253,666.02 - Step 5: Solve for x
x = 171,677,253,666.02/402,701.70 - Step 6: Final answer
x = 426,313.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.